大约有 37,000 项符合查询结果（耗时：0.0637秒） [XML]
Can I inject a service into a directive in AngularJS?
...
Tyrone Wilson
3,09311 gold badge2424 silver badges3333 bronze badges
answered Mar 22 '13 at 14:59
grendiangrendian
...
Is there a way to use SVG as content in a pseudo element :before or :after
...ex.html I have:
<div id="test" style="content: url(test.svg); width: 200px; height: 200px;"></div>
And my test.svg looks like this:
<svg xmlns="http://www.w3.org/2000/svg">
<circle cx="100" cy="50" r="40" stroke="black" stroke-width="2" fill="red"/>
<polyline po...
Check if a Postgres JSON array contains a string
...te: Here's a demonstration of the performance improvements on a table of 1,000,000 rabbits where each rabbit likes two foods and 10% of them like carrots:
d=# -- Postgres 9.3 solution
d=# explain analyze select info->>'name' from rabbits where exists (
d(# select 1 from json_array_elements(in...
Remove all special characters except space from a string using JavaScript
...
answered Jul 2 '11 at 5:01
Petar IvanovPetar Ivanov
80.8k77 gold badges7272 silver badges8787 bronze badges
...
@RunWith(MockitoJUnitRunner.class) vs MockitoAnnotations.initMocks(this)
...pringJUnit4ClassRunner or any other JUnitRunner as well. From Mockito 2.1.0 onwards, there are additional options that control exactly what kind of problems get reported.
share
|
improve this answe...
Rails 3: Get Random Record
... |
edited May 4 '17 at 19:09
answered Mar 17 '11 at 16:45
f...
Start an Activity with a parameter
...
David
14.1k1515 gold badges5050 silver badges6363 bronze badges
answered Oct 12 '10 at 10:35
WroclaiWroclai
...
Array.Add vs +=
...nd the added value. For example, to add an element with a
value of 200 to the array in the $a variable, type:
$a += 200
Source: about_Arrays
+= is an expensive operation, so when you need to add many items you should try to add them in as few operations as possible, ex:
$arr = 1..3 ...
How to easily truncate an array with JavaScript?
...
There is a slice method
array.slice(0, 4);
Will return the first four elements.
Don't forget to assign it back to your variable if you want to discard the other values.
Note: This is just regular javascript, no need for jquery.
...
Creating a textarea with auto-resize
...
This works for me (Firefox 3.6/4.0 and Chrome 10/11):
var observe;
if (window.attachEvent) {
observe = function (element, event, handler) {
element.attachEvent('on'+event, handler);
};
}
else {
observe = function (element, eve...